code: def test_llava_client2():
      file = "models/wizard.jpg"
      llava_model = os.getenv(
          "H2OGPT_LLAVA_MODEL", "http://192.168.1.46:7861"
      )
      from src.vision.utils_vision import get_llava_response
  
      res, llava_prompt = get_llava_response(file, llava_model)
      print(res)
      assert "pumpkins" in res
  
file_path: h2ogpt/tests/test_vision.py
imports: import os
  import time
  from tests.utils import wrap_test_forked
label_desc: Use image node_id 2 for calling a global function with example usage: test_llava_client2() without return types